Classify Rocks

Rock #	Properties	Prediction- Rock/Mineral	Why?
1	White, earthy, triangular crystal.cracks	Quartz- Mineral	Could come in a variety of colors
2	Waxy, white viens, almost no luster	Halite- Mineral	Its texture is the same as salt
3	Splits flat, shiny luster, black color	Mica- Rock	It splits into thin sheets
4	Smooth cleavage, shiny luster, thin	Basalt- Rock	It's the same color and it has the same description
5	Multiple colors, sedimentary	Granite- Rock	It looks like the granite in our collected rock set
6	Smooth, black, sharp, igneous,shiny	Obsidian- Rock	It looks like the black obsidian that we collected last year.
7	feels hollow, gray, looks like plaster	Rock	it doesn't look real
8	Rough and made up of multiple rocks	Rock	it looks metamorphic
9	rough and hard	Mineral	it looks like it came from the ground
10	its red and brown. Its rough and hard	Rock	because its
11	smooth, hard, and black	Mineral	it looks like an Indian arrow head
12	gray, hard, no luster	Mineral	it looks pure
13	black,white,and gray looking	Granite- mineral	it looks mixed with minerals
14	very shiny and kind of rough	Quartz- Mineral	because its light and it also has crystals on it
15	its purple, and it has a little bit of white and gray in it. It is also a bit rough and its hard	Amethyst- Mineral	amethyst is always purple and it has crystals on it and it looks like the pictuer of amethyst.
16	has layers it has brown,black,white in it and its kind of smooth. It mostly feels bumpy though	Rock	It looks as if mixed with other rocks

MASS